Home / 919,936.40-1,379,807.52-246,085.70

Finding the Fourth Proportional to 919,936.40, 1,379,807.52 and 246,085.70

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Solution

The fourth proportional to 919,936.40, 1,379,807.52 and 246,085.70 is: 369,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,936.40 : 1,379,807.52 = 246,085.70 : x
  2. Step 2: Convert to fraction form
    919,936.40/1,379,807.52 = 246,085.70/x
  3. Step 3: Cross multiply
    919,936.40x = 1,379,807.52 × 246,085.70
  4. Step 4: Simplify right side
    919,936.40x = 339,550,899,424.46
  5. Step 5: Solve for x
    x = 339,550,899,424.46/919,936.40
  6. Step 6: Final answer
    x = 369,102.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.